{"id":89310,"date":"2023-08-14T23:15:25","date_gmt":"2023-08-15T06:15:25","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=89310"},"modified":"2023-11-02T20:37:21","modified_gmt":"2023-11-03T03:37:21","slug":"where-are-the-glow-plugs-located","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/where-are-the-glow-plugs-located\/","title":{"rendered":"Where Are the Glow Plugs Located?"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_4c6ba0-16 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_4c6ba0-16 > .kt-inside-inner-col,.kadence-column_4c6ba0-16 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_4c6ba0-16 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_4c6ba0-16 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_4c6ba0-16 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_4c6ba0-16 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_4c6ba0-16{position:relative;}@media all and (max-width: 1024px){.kadence-column_4c6ba0-16 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_4c6ba0-16 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_4c6ba0-16 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-772b58  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-c23c63\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_211d02-ac, .wp-block-kadence-advancedheading.kt-adv-heading_211d02-ac[data-kb-block=\"kb-adv-heading_211d02-ac\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_211d02-ac mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_211d02-ac[data-kb-block=\"kb-adv-heading_211d02-ac\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading_211d02-ac img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_211d02-ac[data-kb-block=\"kb-adv-heading_211d02-ac\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_211d02-ac summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_211d02-ac\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Glow plugs are usually located in each of the cylinders inside your engine.<\/li><li>They help start the engine, using 12 volts from the battery to heat incoming fuel and air for combustion.<\/li><li>To access the glow plugs, you must remove the covers that keep them secure.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Q: Where Are the Glow Plugs Typically Located?<\/h2>\n\n\n\n<p><strong>A:<\/strong> There could be as many as 10 glow plugs in diesel engines, one in each of the cylinders. The plugs are directly connected to the engine control unit to determine when to turn them on or off and how much current is required to heat them.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/glow-plug\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Glow plugs\">Glow plugs<\/a> are common in light truck diesel engines except for many of the Cummins engines, which use a manifold heater instead, so don&rsquo;t go looking for glow plugs on a Dodge diesel.<\/p>\n\n\n\n<p>Glow plugs receive 12 volts from the battery to heat incoming fuel and air for more efficient fuel combustion in a diesel engine. Since a diesel fires on the heat generated by compression, a cold diesel engine will be hard to start without electrically generated heat.<\/p>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> controls most glow plugs in newer vehicles. The glow plugs turn on or off, depending on the engine&rsquo;s temperature.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/10\/glow-plug-connected-to-12-volts-with-the-housing-grounded-1024x641.jpg\" alt=\"glow plug connected to 12 volts with the housing grounded\" class=\"wp-image-93926\" width=\"1024\" height=\"641\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/10\/glow-plug-connected-to-12-volts-with-the-housing-grounded-1024x641.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/10\/glow-plug-connected-to-12-volts-with-the-housing-grounded-300x188.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/10\/glow-plug-connected-to-12-volts-with-the-housing-grounded-768x480.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/10\/glow-plug-connected-to-12-volts-with-the-housing-grounded-1536x961.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/10\/glow-plug-connected-to-12-volts-with-the-housing-grounded-150x94.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/10\/glow-plug-connected-to-12-volts-with-the-housing-grounded.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>A glow plug connected to 12 volts with the housing grounded; glow plugs get extremely hot really fast, as you can see here. | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tips on How to Access the Glow Plugs<\/h2>\n\n\n\n<p>Before you access the glow plugs, make sure you remove the cover to expose them. Afterward, it&rsquo;s recommended to soak the plugs in WD-40 <a href=\"https:\/\/www.carparts.com\/lubricant\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"lubricant\">lubricant<\/a> (spray it when the engine is warm) and leave it for a couple of days.<\/p>\n\n\n\n<p>Use a 10mm socket and a wrench to loosen the glow plugs. Take your time in removing them to prevent them from snapping.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Q: Where Are the Glow Plugs Typically Located? A: There could be as many as 10 glow plugs in diesel&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/where-are-the-glow-plugs-located\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":89312,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[52,3744],"tags":[2714],"ppma_author":[2607,2985],"class_list":{"0":"post-89310","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-ignition-system","9":"tag-glow-plug","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Where Are the Glow Plugs Located? - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Where are the glow plugs usually located? 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